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80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPChacoReader.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*----------------------------------------------------------------------------
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Copyright (c) Sandia Corporation
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See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
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----------------------------------------------------------------------------*/
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/**
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* @class vtkPChacoReader
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* @brief Read Chaco files
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*
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* vtkPChacoReader is a unstructured grid source object that reads
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* Chaco files. The file is read by process 0 and converted into
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* a vtkUnstructuredGrid. The vtkDistributedDataFilter is invoked
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* to divide the grid among the processes.
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*/
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#ifndef vtkPChacoReader_h
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#define vtkPChacoReader_h
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#include "vtkChacoReader.h"
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#include "vtkIOParallelModule.h" // For export macro
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class vtkTimerLog;
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class vtkMultiProcessController;
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class VTKIOPARALLEL_EXPORT vtkPChacoReader : public vtkChacoReader
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{
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public:
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static vtkPChacoReader* New();
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vtkTypeMacro(vtkPChacoReader, vtkChacoReader);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Set/Get the communicator object (we'll use global World controller
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* if you don't set a different one).
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*/
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void SetController(vtkMultiProcessController* c);
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vtkGetObjectMacro(Controller, vtkMultiProcessController);
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protected:
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vtkPChacoReader();
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~vtkPChacoReader() override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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vtkPChacoReader(const vtkPChacoReader&) = delete;
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void operator=(const vtkPChacoReader&) = delete;
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void SetUpEmptyGrid(vtkUnstructuredGrid* output);
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int DivideCells(vtkMultiProcessController* contr, vtkUnstructuredGrid* output, int source);
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int SendGrid(vtkMultiProcessController* c, int to, vtkUnstructuredGrid* grid);
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vtkUnstructuredGrid* GetGrid(vtkMultiProcessController* c, int from);
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vtkUnstructuredGrid* SubGrid(vtkUnstructuredGrid* ug, vtkIdType from, vtkIdType to);
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char* MarshallDataSet(vtkUnstructuredGrid* extractedGrid, vtkIdType& len);
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vtkUnstructuredGrid* UnMarshallDataSet(char* buf, vtkIdType size);
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int NumProcesses;
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int MyId;
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vtkMultiProcessController* Controller;
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};
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#endif
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